Finding the Third Proportional to 50,532.50 and 78,462.75

Step by Step Solution

1. Step 1: Write the proportion equation
   50,532.50 : 78,462.75 = 78,462.75 : x
2. Step 2: Convert to fraction form
   50,532.50/78,462.75 = 78,462.75/x
3. Step 3: Cross multiply
   50,532.50x = 78,462.75 × 78,462.75
4. Step 4: Simplify right side
   50,532.50x = 6,156,403,137.56
5. Step 5: Solve for x
   x = 6,156,403,137.56/50,532.50
6. Step 6: Final answer
   x = 121,830.57